CN220872584U

CN220872584U - Test adapter suitable for three-terminal voltage stabilizer

Info

Publication number: CN220872584U
Application number: CN202322364292.4U
Authority: CN
Inventors: 赵福健; 高俊; 吴南; 徐振垚
Original assignee: Shandong Huasheng Microelectronics Technology Co ltd
Current assignee: Shandong Huasheng Microelectronics Technology Co ltd
Priority date: 2023-08-31
Filing date: 2023-08-31
Publication date: 2024-04-30
Anticipated expiration: 2033-08-31

Abstract

The utility model discloses a test adapter suitable for a three-terminal voltage stabilizer, which belongs to the technical field of semiconductor integrated circuits and comprises an adapter body, a test system and the three-terminal voltage stabilizer, wherein the three-terminal voltage stabilizer is connected to the adapter body, and the adapter body is connected with the integrated circuit test system for testing; the adapter body comprises a voltage stabilizer interface, a relay and a capacitor module which are connected, wherein the voltage stabilizer interface is matched with pins of the three-terminal voltage stabilizer; the universal adapter for the three-terminal voltage stabilizer is designed, the adapter can be quickly switched through the universal adapter, and the test preparation time is short. Different test circuits are not required to be specially built, the test system is used for measuring the switching parameters of the relay, and the multi-parameter one-time measurement is completed; the test mode is simple and convenient, and the requirement on testers is reduced; and the pin appearance of the device is attached, and the anti-interference circuit is designed, so that the circuit cross interference is avoided. Solves the problems existing in the prior art.

Description

Test adapter suitable for three-terminal voltage stabilizer

Technical Field

The utility model relates to a test adapter suitable for a three-terminal voltage stabilizer, belonging to the technical field of semiconductor integrated circuits.

Background

Three-terminal voltage stabilizer, mainly there are two kinds, one output voltage is fixed, called fixed output three-terminal voltage stabilizer, another output voltage is adjustable, called adjustable output three-terminal voltage stabilizer, its basic principle is the same, all adopt series-type voltage stabilizing circuit. In the linear integrated voltage stabilizer, the three-terminal voltage stabilizer has the advantages of few external elements, convenient use, stable performance, low price and the like because of only three leading-out terminals, so that the linear integrated voltage stabilizer is widely applied. In the prior art, a circuit building mode is adopted for testing the three-terminal voltage stabilizer, and different circuits are required to be built for measuring different parameters. The Chinese patent publication number is as follows: CN2824048Y discloses a three-terminal voltage regulator testing arrangement, including detecting gauge outfit, gauge outfit power and sampling circuit, the detection end of detecting the gauge outfit links to each other with the sampling circuit output, and design circuit is more complicated when the test, needs to establish detection circuit in addition and tests, can't directly be connected with current test equipment and use, and test preparation time is long, and test efficiency is low, and circuit design is complicated, and test stability is poor, and the precision is easily influenced by connectivity, and the requirement is higher to the tester.

Disclosure of utility model

Aiming at the defects of the prior art, the utility model aims to provide a test adapter applicable to a three-terminal voltage stabilizer, which solves the problems in the prior art.

The utility model relates to a test adapter applicable to a three-terminal voltage stabilizer, which comprises an adapter body, a test system and the three-terminal voltage stabilizer, wherein the three-terminal voltage stabilizer is connected to the adapter body, and the adapter body is connected with the test system for testing;

The adapter body comprises a voltage stabilizer interface, a relay and a capacitor module which are connected, wherein the voltage stabilizer interface is matched with pins of the three-terminal voltage stabilizer;

The adapter is characterized in that a transfer port is further connected between the adapter body and the test system, a VOUT port, a GND port and a VIN port are arranged on the voltage stabilizer interface, a VI5A_2 interface, an AVM1H interface, a VIS_S1 interface, a VIS_F1 interface, an SGND interface, an AGND interface, a K1 interface and a +5 interface are arranged on the transfer port, XSGND ports, XAGND ports, VIS_S1 ports, VIS_F1 ports, SGND ports, AGND ports, K1 ports and +5 ports are arranged on the relay, wherein the VOUT port is connected with the AVM1H interface and the AGND interface of the VI5A_2 interface, the VIN port is connected with the AGND interface, the GND port is connected with the XSGND port and the XAGND port of the relay, and the VIS_S1 port, the SGND port, the AGND port, the K1 port and the +5 port are correspondingly connected with the VIS_S1 interface, the VIS_F1 interface, the SGND interface, the AGND interface and the AGND interface.

The adapter is designed for the three-terminal voltage stabilizer, the test is carried out through the JC5605 integrated circuit test system, the parameter measurement is carried out through the relay switching, and the multi-parameter one-time measurement is completed; the test mode is simple and convenient, and the requirement on test personnel is reduced.

Further, the capacitance module comprises a first capacitance, a second capacitance and a third capacitance, the VOUT port is connected with the first capacitance and the second capacitance, the VOUT port is connected with the AVM1H interface after passing through the first capacitance, the VOUT port is connected with the AGND interface after passing through the second capacitance, the VIN port is connected with the third capacitance, and the VIN port is connected with the AGND interface through the third capacitance.

Further, the test system comprises a computer interface card, a system bus control board, a test system bus bottom board, a power voltage current source, a digital voltmeter and a relay driving module.

Further, the switching interface includes first switching slot, second switching slot, third switching slot and fourth switching slot, sets up switching interface on first switching slot, second switching slot, third switching slot and the fourth switching slot and is connected with stabiliser interface and relay respectively, still is equipped with general switching interface on first switching slot, second switching slot, third switching slot and the fourth switching slot, the straight needle socket on general switching interface connection test system.

Further, the adapter further comprises a PCB, and the adapter body is welded on the PCB.

Compared with the prior art, the utility model has the following beneficial effects:

The utility model discloses a testing adapter suitable for a three-terminal voltage stabilizer, which is designed to be a universal adapter for the three-terminal voltage stabilizer, and can be quickly switched through the universal adapter, so that the testing of the three-terminal voltage stabilizer is realized, and the testing preparation time is short. The test can be directly performed by the existing test system without specially building different test circuits, and the measurement of the parameters is switched by the relay, so that the measurement of multiple parameters is completed at one time; the test mode is simple and convenient, and the requirement on testers is reduced; and the pin appearance of the device is attached, and the anti-interference circuit is designed, so that the circuit cross interference is avoided. Solves the problems existing in the prior art.

Drawings

FIG. 1 is a schematic block diagram of a test adapter for a three terminal voltage regulator according to the present utility model;

FIG. 2 is a circuit diagram of an adapter of the test adapter for a three terminal voltage regulator according to the present utility model;

fig. 3 is a schematic structural diagram of a PCB board in the three-terminal voltage regulator according to the present utility model;

In the figure: 1. a test system; 2. a transfer port; 3. an adapter body; 4. a relay; 5. a voltage regulator interface; 6. a first capacitor; 7. a second capacitor; 8. a third capacitor; 9. a capacitance module; 10. a PCB board; 11. a first adapter socket; 12. the second switching slot; 13. a third adapter socket; 14. and a fourth switching slot.

Detailed Description

The utility model is further illustrated by the following examples in conjunction with the accompanying drawings:

Example 1:

As shown in fig. 1, the test adapter applicable to the three-terminal voltage stabilizer comprises an adapter body 3, a test system 1 and the three-terminal voltage stabilizer, wherein the three-terminal voltage stabilizer is connected to the adapter body 3, and the adapter body 3 is connected with the test system 1 for testing;

The adapter body 3 comprises a voltage stabilizer interface 5, a relay 4 and a capacitor module 9 which are connected, wherein the voltage stabilizer interface 5 is matched with pins of a three-terminal voltage stabilizer;

the adapter body 3 is further connected with a transfer interface 2 between the testing system 1 and the adapter body 3, a voltage stabilizer interface 5 is provided with a VOUT port, a GND port and a VIN port, the transfer interface 2 is provided with a VI5A_2 interface, an AVM1H interface, a VIS_S1 interface, a VIS_F1 interface, an SGND interface, an AGND interface, a K1 interface and a +5 interface, the relay 4 is provided with a XSGND port, a XAGND port, a VIS_S1 port, a VIS_F1 port, an SGND port, an AGND port, a K1 port and a +5 port, wherein the VOUT port is connected with the AVM1H interface of the VI5A_2 interface and the AGND interface, the VIN port is connected with the AGND interface, the GND port is connected with the XSGND port and the XAGND port of the relay, and the VIS_S1 port, the VIS_F1 port, the SGND port, the AGND port, the K1 port and the +5 port of the relay are respectively connected with the VIS_S1 interface, the VIS_F1 interface, the SGND port, the AGND 1 port and the K1 port and the +5 port of the transfer interface 2.

The capacitance module 9 comprises a first capacitance 6, a second capacitance 7 and a third capacitance 8, the VOUT port is connected with the first capacitance 6 and the second capacitance 7, the VOUT port is connected with the AVM1H interface after passing through the first capacitance 6, the VOUT port is connected with the AGND interface after passing through the second capacitance 7, the VIN port is connected with the third capacitance 8, and the VIN port is connected with the AGND interface after passing through the third capacitance 8.

The test system 1 comprises a computer interface card, a system bus control board, a test system bus bottom board, a power voltage current source, a digital voltmeter and a relay driving module.

The transfer interface 2 comprises a first transfer slot 11, a second transfer slot 12, a third transfer slot 13 and a fourth transfer slot 14, the transfer interfaces are arranged on the first transfer slot 11, the second transfer slot 12, the third transfer slot 13 and the fourth transfer slot 14 and are respectively connected with the voltage stabilizer interface 5 and the relay 4, the first transfer slot 11, the second transfer slot 12, the third transfer slot 13 and the fourth transfer slot 14 are also provided with universal transfer interfaces, and the universal transfer interfaces are connected with the straight pin sockets on the test system 1.

As shown in fig. 3, the adapter body 3 further includes a PCB board 10, and is soldered to the PCB board 10.

As shown in fig. 2, JET1 is a relay, JET2 is a three-terminal voltage regulator, JT4A and JT4B are a first transit slot 11 and a fourth transit slot 14, and JT4c and JT4D are a second transit slot 12 and a third transit slot 13.

The specific application of this embodiment is: during operation, the JC5605 integrated circuit testing system is used for testing, and hardware resources comprise: the system comprises a computer interface card, a system bus control board, a test system bus bottom board, a power voltage current source, a digital voltmeter, a relay driver and the like. The method can be used for comprehensive test of the integrated circuit. However, the test system only provides hardware resources and a 96-wire straight needle socket and a 48-wire straight needle socket on the transfer board, and the test of the tested device cannot be directly completed. Special integrated circuits often require design-specific test adapters.

The circuit can measure the following parameters of the three-terminal voltage stabilizer:

the output voltage VO; load adjustment rate, linear adjustment rate delta Vo;

A quiescent current Iq; the quiescent current changes Δiq;

Ripple rejection ratio Svirp.

In the description of the present utility model, it should be noted that the positional or positional relationship indicated by the terms such as "upper", "lower", "left", "right", "inner", "outer", etc. are based on the positional or positional relationship shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or element in question must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. A test adapter for a three terminal voltage regulator, characterized by: the three-terminal voltage regulator is connected to the adapter body (3), and the adapter body (3) is connected with the test system (1) for testing;

The adapter body (3) comprises a voltage stabilizer interface (5), a relay (4) and a capacitor module (9) which are connected, wherein the voltage stabilizer interface (5) is matched with a pin of the three-terminal voltage stabilizer;

And a switching port (2) is further connected between the adapter body (3) and the test system (1), a VOUT port, a GND port and a VIN port are arranged on the voltage stabilizer interface (5), a VI5A_2interface, an AVM1H interface, a VIS_S1 interface, a VIS_F1 interface, an SGND interface, an AGND interface, a K1 interface and a +5 interface are arranged on the switching port (2), XSGND ports, XAGND ports, a VIS_S1 port, a VIS_F1 port, an SGND port, an AGND port, a K1 port and a +5 port are arranged on the relay (4), wherein the VOUT port is connected with the VI5A_2interface AVM1H interface and the AGND interface, the VIN port is connected with the AGND interface, the GND port is connected with the XSGND port and the XAGND port of the relay, and the VIS_S1 port, the VIS_F1 port, the SGND port, the K1 port and the +5 port are respectively connected with the VIS_S1 interface, the AGND port, the SGND port and the +1 interface of the switching port (2).

2. A test adapter for a three terminal voltage regulator according to claim 1, wherein: the capacitive module (9) comprises a first capacitor (6), a second capacitor (7) and a third capacitor (8), wherein the VOUT port is connected with the first capacitor (6) and the second capacitor (7), the VOUT port is connected with the AVM1H interface after passing through the first capacitor (6), the VOUT port is connected with the AGND interface after passing through the second capacitor (7), the VIN port is connected with the third capacitor (8), and the VIN port is connected with the AGND interface after passing through the third capacitor (8).

3. A test adapter for a three terminal voltage regulator according to claim 1, wherein: the test system (1) comprises a computer interface card, a system bus control board, a test system bus bottom board, a power voltage current source, a digital voltmeter and a relay driving module.

4. A test adapter for a three terminal voltage regulator according to claim 1, wherein: the switching mouth (2) include first switching slot (11), second switching slot (12), third switching slot (13) and fourth switching slot (14), set up switching interface on first switching slot (11), second switching slot (12), third switching slot (13) and fourth switching slot (14) respectively with stabiliser interface (5) and relay (4) are connected, still be equipped with general switching mouth on first switching slot (11), second switching slot (12), third switching slot (13) and fourth switching slot (14), straight needle socket on general switching mouth connection test system (1).

5. A test adapter for a three terminal voltage regulator according to claim 1, wherein: the adapter comprises a body, a PCB (10) and an adapter body (3) welded on the PCB (10).